Brief Note on Live Storage Status of 128 Reservoirs in the Country (With Reference to Reservoir Storage Bulletin of 14.01.2021)
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BRIEF NOTE ON LIVE STORAGE STATUS OF 128 RESERVOIRS IN THE COUNTRY (WITH REFERENCE TO RESERVOIR STORAGE BULLETIN OF 14.01.2021) 1. ALL INDIA STATUS Central Water Commission is monitoring live storage status of 128 reservoirs of the country on weekly basis and is issuing weekly bulletin on every Thursday. Out of these reservoirs, 44 reservoirs have hydropower benefit with installed capacity of more than 60 MW. The total live storage capacity of these 128 reservoirs is 172.132 BCM which is about 66.77% of the live storage capacity of 257.812 BCM which is estimated to have been created in the country. As per reservoir storage bulletin dated 14.01.2021, live storage available in these reservoirs is 117.086 BCM, which is 68% of total live storage capacity of these reservoirs. However, last year the live storage available in these reservoirs for the corresponding period was 128.839 BCM and the average of last 10 years live storage was 95.811 BCM. Thus, the live storage available in 128 reservoirs as per 14.01.2021 Bulletin is 91% of the live storage of corresponding period of last year and 122% of storage of average of last ten years. As per Table-01, the overall storage position is less than the corresponding period of last year in the country as a whole but is better than the average storage of last ten years during the corresponding period. 2. REGION WISE STORAGE STATUS: a) NORTHERN REGION The northern region includes States of Himachal Pradesh, Punjab and Rajasthan. There are 8 reservoirs under CWC monitoring having total live storage capacity of 19.17 BCM. As per Reservoir Storage Bulletin dated 14.01.2021, the total live storage available in these reservoirs is 8.33 BCM which is 43% of total live storage capacity of these reservoirs. The storage during corresponding period of last year was 65% and average storage of last ten years during corresponding period was 54% of live storage capacity of these reservoirs. Thus, storage during current year is less than the corresponding period of last year and is also less than the average storage of last ten years during the corresponding period. b) EASTERN REGION The Eastern region includes States of Jharkhand, Odisha, West Bengal, Tripura and Nagaland. There are 19 reservoirs under CWC monitoring having total live storage capacity of 19.65 BCM. As per Reservoir Storage Bulletin dated 14.01.2021, the total live storage available in these reservoirs is 12.47 BCM which is 63% of total live storage capacity of these reservoirs. The storage during corresponding period of last year was 80% and average storage of last ten years during corresponding period was 69% of live storage capacity of these reservoirs. Thus, storage during current year is less than the corresponding period of last year and is also less than the average storage of last ten years during the corresponding period. c) WESTERN REGION The Western region includes States of Gujarat and Maharashtra. There are 42 reservoirs under CWC monitoring having total live storage capacity of 35.24 BCM. As per Reservoir Storage Bulletin dated 14.01.2021, the total live storage available in these reservoirs is 28.49 BCM which is 81% of total live storage capacity of these reservoirs. The storage during corresponding period of last year was 83% and average storage of last ten years during corresponding period was 56% of live storage capacity of these reservoirs. Thus, storage during current year is less than the storage of last year but is better than the average storage of last ten years during the corresponding period. Pg 1 d) CENTRAL REGION The Central region includes States of Uttar Pradesh, Uttarakhand, Madhya Pradesh and Chhattisgarh. There are 23 reservoirs under CWC monitoring having total live storage capacity of 45.27 BCM. As per Reservoir Storage Bulletin dated 14.01.2021, the total live storage available in these reservoirs is 30.86 BCM which is 68% of total live storage capacity of these reservoirs. The storage during corresponding period of last year was 77% and average storage of last ten years during corresponding period was 58% of live storage capacity of these reservoirs. Thus, storage during current year is less than the storage of last year but is better than the average storage of last ten years during the corresponding period. e) SOUTHERN REGION The Southern region includes States of Andhra Pradesh, Telangana, AP&TG (2 combined projects in both states), Karnataka, Kerala and Tamil Nadu. There are 36reservoirs under CWC monitoring having total live storage capacity of 52.81 BCM. As per Reservoir Storage Bulletin dated 14.01.2021, the total live storage available in these reservoirs is 36.95 BCM which is 69.97% of total live storage capacity of these reservoirs. The storage during corresponding period of last year was 69.58% and average storage of last ten years during corresponding period was 49% of live storage capacity of these reservoirs. Thus, storage during current year is better than the storage of corresponding period of last year and also it is better than the average storage of last ten years during the corresponding period. The region wise and reservoir wise details are given in the following pages of the Bulletin. BROAD ANALYSIS OF OTHER TABLES IN THE BULLETIN Normal storage means average storage of last ten years, Close to normal storage means where shortfall is upto 20% of normal, deficient storage is where shortfall is more than 20% of the normal and upto 60% of the normal, highly deficient means where shortfall is more than 60% of normal. In the table on page 10, better than normal storage is available in Ganga, Narmada, Tapi, Mahi, Sabarmati, Rivers of Kutch, Godavari, Krishna, Cauvery & neighbouring EFRs and West Flowing Rivers of South. Close to Normal in Subernarekha and Mahanadi & Neighbouring East Flowing Rivers. Deficient in Indus and Nil in Highly Deficient. Table on page 11-13 of the bulletin. The numbers of reservoirs having storage more than last year are 34 and reservoirs having storage more than average of last ten years are 94. The numbers of reservoirs having storage less than or equal to 20% with respect to last year is Nil and having storage less than or equal to 20% with reference to average of last ten years is 1. The number of reservoirs having storage less than or equal to 50% with respect to last year are 8 and having storage less than or equal to 50% with reference to average of last ten years are 3. States having better storage (in %) than last year for corresponding period: Tripura, Nagaland, AP&TG (Two combined projects in both states), Andhra Pradesh, Telangana and Kerala. States having equal storage (in %) to last year for corresponding period: Nil States having lesser storage (in %) than last year for corresponding period: Himachal Pradesh, Punjab, Rajasthan, Jharkhand, Odisha, West Bengal, Gujarat, Maharashtra, Uttar Pradesh , Uttarakhand, Madhya Pradesh, Chhattisgarh, Karnataka and Tamil Nadu. Disclaimer: The Data contained in this Bulletin is as received from the State Government/Project Authorities. Pg 2 STORAGE STATUS OF IMPORTANT RESERVOIRS IN THE COUNTRY AS ON : 14.01.2021 1 Central Water Commission is monitoring storage status of 128 important reservoirs spread all over the country, in which 44 reservoirs have hydropower benefit each with installed capacity of more than 60 MW. These reservoirs are identified thus(*) in the enclosed weekly report. 2 The total live storage in 128 important reservoirs in different parts of the country, monitored by CWC as on 14.01.2021 is 117.086 BCM ( 68 percent of the live storage capacity at FRL ).The current year's storage is nearly 91 percent of last year's storage and 122 percent of the average of last ten years. 3 Region wise storage status:- Filling position of 128 reservoirs w.r.t. FRL REGION (States), 91%- 81%- 71%- 61%- 51%- 41%- 40% & Departure from Normal storage (Monitoring No. of Reservoirs) 100% 99% 90% 80% 70% 60% 50% below H.P. -21 % NORTH (HP,Punjab & Rajasthan), - - - 2 -1 23 PUNJAB (8 Resv.) -58 % RAJASTHAN 0 % JHARKHAND 5 % EAST (Jharkhand,Odisha, Tripura, ODISHA -12 % Nagaland & W.Bengal ) 3 - 3 2 3 2 4 2 W. BENGAL -1 % ( 19 Resv.) TRIPURA 104 % NAGALAND 34 % WEST (Guj.& Mah.), GUJARAT 55 % 1 6 11 12 5 5 1 1 (42 Resv.) MAH. 36 % U.P. 9 % CENTRAL UTTARAKHAND -2 % (MP,UP,Uttarakhand & Chh.), - 2 2 5 4 2 2 6 M.P. (23 Resv) 23 % CHHATISGARH 17 % AP&TG 62 % A.P SOUTH 59 % (Karnataka,TN,AP&TG,AP, TG, & TELANGANA 58 % 1 2 9 9 4 5 2 4 Kerala), ( KARNATAKA 31 % 36 Resv.) KERALA 17 % T.N. 69 % Status of 128 reservoirs 5 10 25 30 17 14 12 15 4 Basin wise storage position: Better than normal: Ganga, , Narmada, Tapi, Mahi, Sabarmati, Rivers of Kutch, Godavari, Krishna, Cauvery & Neighbouring East Flowing River and West Flowing Rivers of South . Close to normal: Subernarekha and Mahanadi & Neighbouring East Flowing River. Deficient: Indus Highly deficient: Nil Pg 3 5 Out of 128 reservoirs, 117 reservoirs reported more than 80% of normal storage & 11 reservoirs reported 80% or below of normal storage. Out of these 11 reservoirs 3 having storage upto 50% of normal storage. 8 reservors Name of Reservoir having storage less than having storage 51% to 80% of 50% of normal storage. % normal storage. TATTIHALLA 3 51% 61% 71% MATATILA 39 to to to THEIN DAM 42 60% 70% 80% 2 3 3 6 Out of 44 reservoirs with significant(*) hydropower generation, the storage build up is less than or equal to normal in 16 reservoirs.